A wnter in tho trermantown Telegraph says : I liare soon various mothods for keepng these inseuts ofï pluui troes, but nono so simple, nor yot so effectuul, as tlio iolowing : Soak corneobs inswe;toned waBE uiitil thoroughly saturated, thon sus)ond thcni to tho limbs ot' tho trees a litio whilo after blossoming, boing sure to jurn tho :obs after the fruit ripens, us hey will be found full of young inaocts. A good jlan is to chango the cobs evory bw weeks. My theory is this, tbat tho nseots deposit their eggs in tho coba in referonce to doing so iu the young plum. 'ho first season I triefl it upon one or two nly, and in the sumnaer was rewarded y a good crop of is Qne jilums as ovcr ri)ened, while those on the other trees feil iff whin about half grown. Next spring 'ound sweetened oorn-cobsdangling from 10 liiubs of all my plura trees, and tho ummer found them full of delicious fruit, have never known it to fail, and I hope Yory on who has a. plum tree will try it.